BUSINESS COMBINATIONS BUSINESS COMBINATIONS (Schedule of Acquisition-Related Costs) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Business Acquisition [Line Items]
Acquisition-related costs recognized in other operating expenses:	$ 3,885	$ 1,979	$ 5,533	$ 2,024
Salary and Employee Benefits [Member]
Business Acquisition [Line Items]
Acquisition-related costs recognized in other operating expenses:	216	0	216	0
Occupancy and Equipment [Member]
Business Acquisition [Line Items]
Acquisition-related costs recognized in other operating expenses:	26	29	50	29
Advertising and Marketing [Member]
Business Acquisition [Line Items]
Acquisition-related costs recognized in other operating expenses:	4	236	70	238
Information and Computer Data Services [Member]
Business Acquisition [Line Items]
Acquisition-related costs recognized in other operating expenses:	466	632	506	632
Payment and Card Processing Expenses [Member]
Business Acquisition [Line Items]
Acquisition-related costs recognized in other operating expenses:	0	271	0	271
Professional Services [Member]
Business Acquisition [Line Items]
Acquisition-related costs recognized in other operating expenses:	2,946	587	4,226	619
Miscellaneous Other Noninterest Expense [Member]
Business Acquisition [Line Items]
Acquisition-related costs recognized in other operating expenses:	$ 227	$ 224	$ 465	$ 235